CA1211753A - Dichroic dye and liquid crystalline composition for color display - Google Patents

Dichroic dye and liquid crystalline composition for color display

Info

Publication number
CA1211753A
CA1211753A CA000448887A CA448887A CA1211753A CA 1211753 A CA1211753 A CA 1211753A CA 000448887 A CA000448887 A CA 000448887A CA 448887 A CA448887 A CA 448887A CA 1211753 A CA1211753 A CA 1211753A
Authority
CA
Canada
Prior art keywords
group
dye
parts
weight
liquid crystalline
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
CA000448887A
Other languages
English (en)
French (fr)
Inventor
Yasuyuki Yamada
Tsutomu Nishizawa
Tooru Miyahara
Tamio Mikoda
Masaharu Kikutsugi
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Mitsui Chemicals Inc
Original Assignee
Mitsui Toatsu Chemicals Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Mitsui Toatsu Chemicals Inc filed Critical Mitsui Toatsu Chemicals Inc
Application granted granted Critical
Publication of CA1211753A publication Critical patent/CA1211753A/en
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
    • C09K19/00—Liquid crystal materials
    • C09K19/52—Liquid crystal materials characterised by components which are not liquid crystals, e.g. additives with special physical aspect: solvents, solid particles
    • C09K19/60—Pleochroic dyes
    • C09K19/603—Anthroquinonic
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09B—ORGANIC DYES OR CLOSELY-RELATED COMPOUNDS FOR PRODUCING DYES, e.g. PIGMENTS; MORDANTS; LAKES
    • C09B5/00—Dyes with an anthracene nucleus condensed with one or more heterocyclic rings with or without carbocyclic rings
    • C09B5/24—Dyes with an anthracene nucleus condensed with one or more heterocyclic rings with or without carbocyclic rings the heterocyclic rings being only condensed with an anthraquinone nucleus in 1-2 or 2-3 position
    • C09B5/32—1.3 azoles of the anthracene series

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Liquid Crystal (AREA)
  • Liquid Crystal Substances (AREA)
  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)
CA000448887A 1983-03-08 1984-03-05 Dichroic dye and liquid crystalline composition for color display Expired CA1211753A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP58036613A JPS59164365A (ja) 1983-03-08 1983-03-08 二色性染料および液晶カラ−表示用組成物
JP36,613/83 1983-03-08

Publications (1)

Publication Number Publication Date
CA1211753A true CA1211753A (en) 1986-09-23

Family

ID=12474647

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000448887A Expired CA1211753A (en) 1983-03-08 1984-03-05 Dichroic dye and liquid crystalline composition for color display

Country Status (10)

Country Link
US (1) US4552684A (enrdf_load_stackoverflow)
JP (1) JPS59164365A (enrdf_load_stackoverflow)
KR (1) KR870001882B1 (enrdf_load_stackoverflow)
CA (1) CA1211753A (enrdf_load_stackoverflow)
CH (1) CH657625A5 (enrdf_load_stackoverflow)
DE (1) DE3408484C2 (enrdf_load_stackoverflow)
FR (1) FR2542323B1 (enrdf_load_stackoverflow)
GB (1) GB2140816B (enrdf_load_stackoverflow)
HK (1) HK53987A (enrdf_load_stackoverflow)
SG (1) SG27187G (enrdf_load_stackoverflow)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4883611A (en) * 1987-09-16 1989-11-28 Mitsui Toatsu Chemicals, Incorporated Dichroic coloring agents for liquid crystal displays

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS504217B1 (enrdf_load_stackoverflow) * 1970-05-19 1975-02-17
US3892734A (en) * 1970-05-19 1975-07-01 Mitsui Toatsu Chemicals Novel anthraquino(3,2-d)oxazole dyes and coloring agents
JPS531392B2 (enrdf_load_stackoverflow) * 1972-01-27 1978-01-18
JPS539315B2 (enrdf_load_stackoverflow) * 1974-03-13 1978-04-05
DE2902177A1 (de) * 1978-12-21 1980-07-17 Bbc Brown Boveri & Cie Fluessigkristallmischung
JPS55123673A (en) * 1979-03-16 1980-09-24 Mitsui Toatsu Chem Inc Liquid crystal color display device
JPS55155083A (en) * 1979-05-23 1980-12-03 Mitsui Toatsu Chem Inc Liquid crystal color display composition
DE3014933A1 (de) * 1980-04-18 1981-10-29 Bayer Ag, 5090 Leverkusen Fluessigkristalline materialien enthaltend anthrachinonfarbstoffe
US4356102A (en) * 1980-10-22 1982-10-26 General Electric Company Dichroic liquid crystal compositions containing anthraquinone-based dyes
JPS57190048A (en) * 1981-05-16 1982-11-22 Nippon Kanko Shikiso Kenkyusho:Kk Color liquid crystal material using anthraquinone dye
JPS5857488A (ja) * 1981-10-02 1983-04-05 Mitsubishi Chem Ind Ltd ゲスト−ホスト型液晶組成物
DE3309045A1 (de) * 1982-03-13 1983-09-15 Kabushiki Kaisha Nippon Kanko Shikiso Kenkyusho, Okayama Dichroitische farbstoffe fuer fluessigkristalle und fluessigkristall-zusammensetzungen
JPS58157883A (ja) * 1982-03-13 1983-09-20 Nippon Kanko Shikiso Kenkyusho:Kk 液晶用二色性色素
JPS5956475A (ja) * 1982-09-24 1984-03-31 Sharp Corp 液晶組成物

Also Published As

Publication number Publication date
SG27187G (en) 1988-07-15
GB2140816A (en) 1984-12-05
JPS59164365A (ja) 1984-09-17
JPH0429701B2 (enrdf_load_stackoverflow) 1992-05-19
DE3408484C2 (de) 1986-12-04
CH657625A5 (de) 1986-09-15
FR2542323A1 (fr) 1984-09-14
GB2140816B (en) 1986-09-03
DE3408484A1 (de) 1984-09-13
HK53987A (en) 1987-07-24
KR870001882B1 (ko) 1987-10-20
US4552684A (en) 1985-11-12
GB8405976D0 (en) 1984-04-11
FR2542323B1 (fr) 1987-05-22
KR840007890A (ko) 1984-12-11

Similar Documents

Publication Publication Date Title
US4455253A (en) Pleochroic anthraquinone dyes
EP0060895B1 (en) Composition for liquid crystal color display
EP0002104B1 (en) Pleochroic dyes suitable for use in solution with liquid crystal materials for electro-optic device applications
EP0044893B1 (en) Anthraquinone compounds and process for their preparation
EP0084208A2 (en) Asymmetric dichroic dye molecules having polyazoaryl linking groups and substituted aryl thiazyl substituents
GB2081736A (en) Liquid Crystal Materials Containing Diamino-Dihydroxy Anthraquinone Pleochroic Dyes
GB2082196A (en) Liquid Crystal Materials Containing Anthraquinone Pleochroic Dyes
US4405211A (en) Liquid crystal compositions with pleochroic anthraquinone dyes
GB2094822A (en) Anthraquinone dyes
EP0049036B1 (en) Organic compositions suitable for guest-host liquid crystal device
US4496221A (en) Liquid crystal compositions with pleochroic anthraquines dyes
EP0202341B1 (en) Dichroic azo dyes
CA1211753A (en) Dichroic dye and liquid crystalline composition for color display
US4464282A (en) Organic materials
EP0108472B1 (en) Organic materials for a liquid crystal device
EP0307866B1 (en) Dichroic coloring agents for liquid crystal displays
JPS60262858A (ja) 液晶に使用するアゾ系二色性染料、該染料を含む液晶組成物及び表示装置
JP2567057B2 (ja) 液晶表示用二色性色素
JPH0582422B2 (enrdf_load_stackoverflow)
JPH0625307B2 (ja) シアノビフエニル系液晶表示用二色性アゾ色素
JPH02163190A (ja) 液晶表示用二色性色素
JPS63175073A (ja) アントラキノン系二色性色素及びこれを含有してなる液晶組成物
JPH0267394A (ja) 液晶表示用二色性色素
GB2155489A (en) Liquid crystal materials containing pleochroic dithioanthraquinone dyes
JPS6121163A (ja) 二色性ジスアゾ染料

Legal Events

Date Code Title Description
MKEX Expiry